Table 2. Primers used for PCR amplification.

Oligonucleotides	Sequence (5’- 3’)	Target	Source
sense primer P1	GAC ATG TCC TCC TGC ATC T	VP1 gene	This work
antisense primer P2	CAC AAA TGT ACA GGG ATG GGT	VP1 gene	This work
sense primer P3	GCC CAT GGA AAC AAC AGC AAC AG	synthetic VP1 gene	This work
antisense primer P4	GCT CGA GTT ATA ATA ATT GTT TCG CAG G	synthetic VP1 gene	This work

(Restriction sites are underlined.)